NL7605203A - PROCESS FOR PREPARING 2-ARYL-2H-BENZO-TRIAZOLES. - Google Patents

PROCESS FOR PREPARING 2-ARYL-2H-BENZO-TRIAZOLES.

Info

Publication number
NL7605203A
NL7605203A NL7605203A NL7605203A NL7605203A NL 7605203 A NL7605203 A NL 7605203A NL 7605203 A NL7605203 A NL 7605203A NL 7605203 A NL7605203 A NL 7605203A NL 7605203 A NL7605203 A NL 7605203A
Authority
NL
Netherlands
Prior art keywords
triazoles
benzo
aryl
preparing
Prior art date
Application number
NL7605203A
Other languages
Dutch (nl)
Original Assignee
Ciba Geigy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ciba Geigy filed Critical Ciba Geigy
Publication of NL7605203A publication Critical patent/NL7605203A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
    • C07D249/16—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms condensed with carbocyclic rings or ring systems
    • C07D249/18—Benzotriazoles
    • C07D249/20—Benzotriazoles with aryl radicals directly attached in position 2
NL7605203A 1975-05-14 1976-05-14 PROCESS FOR PREPARING 2-ARYL-2H-BENZO-TRIAZOLES. NL7605203A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57738475A 1975-05-14 1975-05-14

Publications (1)

Publication Number Publication Date
NL7605203A true NL7605203A (en) 1976-11-16

Family

ID=24308475

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7605203A NL7605203A (en) 1975-05-14 1976-05-14 PROCESS FOR PREPARING 2-ARYL-2H-BENZO-TRIAZOLES.

Country Status (9)

Country Link
JP (1) JPS6036430B2 (en)
BE (1) BE841769A (en)
BR (1) BR7603024A (en)
CH (1) CH615166A5 (en)
DE (1) DE2620897A1 (en)
ES (1) ES447874A1 (en)
FR (1) FR2311011A1 (en)
GB (1) GB1494824A (en)
NL (1) NL7605203A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6471862A (en) * 1987-09-11 1989-03-16 Chemipro Kasei Kaisha Ltd Production of 2-phenylbenzotriazole
EP0363318B1 (en) * 1988-09-28 1994-03-02 Ciba-Geigy Ag Process for the preparation of benzotriazole derivatives
JPH02202880A (en) * 1989-01-31 1990-08-10 Kemipuro Kasei Kk Production of 2-phenylbenzotriazoles
JPH02202879A (en) * 1989-01-31 1990-08-10 Kemipuro Kasei Kk Production of 2-phenylbenzotriazoles
EP0419412B1 (en) * 1989-09-20 1993-11-10 Ciba-Geigy Ag Process for the preparation of benzotriazoles
CN112538055A (en) * 2020-12-11 2021-03-23 西安凯立新材料股份有限公司 Preparation method of benzotriazole ultraviolet absorbent

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH529815A (en) * 1970-06-19 1972-10-31 Ciba Geigy Ag Use of 2- (2'-hydroxyphenyl) -benzotriazole compounds as light stabilizers
US3978074A (en) * 1973-11-21 1976-08-31 Uniroyal Inc. Method of making hydroxyarylbenzotriazoles and their N-oxides

Also Published As

Publication number Publication date
GB1494824A (en) 1977-12-14
FR2311011A1 (en) 1976-12-10
JPS51138677A (en) 1976-11-30
ES447874A1 (en) 1977-07-16
BE841769A (en) 1976-11-16
DE2620897A1 (en) 1976-11-25
JPS6036430B2 (en) 1985-08-20
BR7603024A (en) 1977-05-31
CH615166A5 (en) 1980-01-15
FR2311011B1 (en) 1978-05-19

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed